The number of significant figures in 369,132,000 is 6
Answer:
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Explanation:
Create A Time Table.
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Answer:
Dalton expressed his assumption in A Modern Model of Chemical Theory that atoms of various elements should be uniformly differentiated, based on their differing atomic weights. In doing so, he became the first scientist to explain atom behavior as regards weight measurement.
Explanation:
This is the order of activity in decreasing way for the mentioned metals
Mn>Zn>Cr>Fe>Cd>Co>Ni>Pb
Fe is in between Cr and Cd, it is more active than Cd and less active than Cr, so it will displace Cd but not Cr.
Answer:Fe (it will displace Cd, but not Cr)
